NL87133C - - Google Patents
Info
- Publication number
- NL87133C NL87133C NL87133DA NL87133C NL 87133 C NL87133 C NL 87133C NL 87133D A NL87133D A NL 87133DA NL 87133 C NL87133 C NL 87133C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
- H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
- H04Q3/525—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Interface Circuits In Exchanges (AREA)
- Telephonic Communication Services (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL318656X | 1953-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL87133C true NL87133C (en:Method) |
Family
ID=19783900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL87133D NL87133C (en:Method) | 1953-03-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2846511A (en:Method) |
| BE (1) | BE527066A (en:Method) |
| CH (1) | CH318656A (en:Method) |
| DE (1) | DE933397C (en:Method) |
| FR (1) | FR1097074A (en:Method) |
| GB (1) | GB754238A (en:Method) |
| NL (1) | NL87133C (en:Method) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2245160A (en) * | 1939-07-07 | 1941-06-10 | Bell Telephone Labor Inc | Telephone system |
| US2235153A (en) * | 1939-07-11 | 1941-03-18 | Bell Telephone Labor Inc | Chain start circuit |
| US2238469A (en) * | 1939-08-09 | 1941-04-15 | Bell Telephone Labor Inc | Signaling system |
-
0
- BE BE527066D patent/BE527066A/xx unknown
- NL NL87133D patent/NL87133C/xx active
-
1954
- 1954-03-03 US US413911A patent/US2846511A/en not_active Expired - Lifetime
- 1954-03-05 GB GB6501/54A patent/GB754238A/en not_active Expired
- 1954-03-07 DE DEN8591A patent/DE933397C/de not_active Expired
- 1954-03-08 FR FR1097074D patent/FR1097074A/fr not_active Expired
- 1954-03-08 CH CH318656D patent/CH318656A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB754238A (en) | 1956-08-08 |
| BE527066A (en:Method) | |
| FR1097074A (fr) | 1955-06-29 |
| CH318656A (de) | 1957-01-15 |
| DE933397C (de) | 1955-09-22 |
| US2846511A (en) | 1958-08-05 |